The answer is the first one
5x-10=3x+40
5x=3x+50
2x=50
x=25
5*25=125
125-10=115
angle AEB=115
Hope this helps :)
By the fundamental theorem of calculus,

So we have



Answer:
$56.25
Step-by-step explanation:
3% of 750, then multiply by 2.5
the angle measures in the regular polygon is B)140